﻿// See https://aka.ms/new-console-template for more information
//Console.WriteLine("Hello, World!");
//using System;

//class CharacterStatistics
//{
  //  static void Main()
    //{
        Console.Write("请输入一行字符：");
        string input = Console.ReadLine();
        int letterCount = 0, spaceCount = 0, digitCount = 0, otherCount = 0;

        foreach (char c in input)
        {
            if (char.IsLetter(c))
            {
                letterCount++;
            }
            else if (char.IsWhiteSpace(c))
            {
                spaceCount++;
            }
            else if (char.IsDigit(c))
            {
                digitCount++;
            }
            else
            {
                otherCount++;
            }
        }

        Console.WriteLine($"英文字母个数：{letterCount}");
        Console.WriteLine($"空格个数：{spaceCount}");
        Console.WriteLine($"数字个数：{digitCount}");
        Console.WriteLine($"其他字符个数：{otherCount}");
    //}
//}